export default {
    size2Str: (limit) => {
        var size = "";
        if (limit < 0.1 * 1024) {
            size = limit.toFixed(2) + "B"
        } else if (limit < 0.1 * 1024 * 1024) {
            size = (limit / 1024).toFixed(2) + "KB"
        } else if (limit < 0.1 * 1024 * 1024 * 1024) {
            size = (limit / (1024 * 1024)).toFixed(2) + "MB"
        } else {
            size = (limit / (1024 * 1024 * 1024)).toFixed(2) + "GB"
        }
        var sizeStr = size + "";
        var index = sizeStr.indexOf(".");
        var dou = sizeStr.substr(index + 1, 2)
        if (dou == "00") {
            return sizeStr.substring(0, index) + sizeStr.substr(index + 3, 2)
        }
        return size;
    }
}